A random sample of size 15 is taken from a population assumed to be normal,and = 1.2 and s = 0.6.Calculate a 90 percent confidence interval for .
A)[.927 1.473]
B)[.848 1.552]
C)[.992 1.408]
D)[1.045 1.355]

Question

A random sample of size 15 is taken from a population assumed to be normal,and  = 1.2 and s = 0.6.Calculate a 90 percent confidence interval for  .
A)[.927 1.473] 
B)[.848 1.552] 
C)[.992 1.408] 
D)[1.045 1.355]

Quizplus · Accepted Answer

The Answer of A random sample of size 15 is taken from a population assumed to be normal,and  = 1.2 and s = 0.6.Calculate a 90 percent confidence interval for  .
A)[.927 1.473] 
B)[.848 1.552] 
C)[.992 1.408] 
D)[1.045 1.355]

A Random Sample of Size 15 Is Taken from a Population